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. Author manuscript; available in PMC: 2021 Dec 8.
Published in final edited form as: Vaccine. 2012 Mar 23;30(23):3445–3452. doi: 10.1016/j.vaccine.2012.03.022

Table 2.

Respondent characteristics.

N (%)
Male gender 272 (48.8%)
Age
 18–40 189 (33.9%)
 41–64 276 (49.5%)
 65–79 76 (13.6%)
 80+ 17 (3.0%)
Education
 Less than high school 69 (12.4%)
 High school 174 (31.2%)
 Some college 145 (26.0%)
 Bachelor’s degree or higher 170 (30.5%)
Race
 White, non-Hispanic 427 (76.5%)
 Hispanic 54 (9.7%)
 Black, non-Hispanic 42 (7.5%)
 Other 35 (6.3%)
Marital status
 Married 291 (52.2%)
 Never married 139 (24.9%)
 Divorced 61 (10.9%)
 Widow 30 (5.4%)
 Living with partner 28 (5.0%)
 Separated 9 (1.6%)
Household with low income (<3 times the poverty threshold) 275 (49.6%)
Households with Internet 372 (66.7%)
Type of insurance
 Private insurance 276 (52.2%)
 Medicare/SCHIP 90 (17.0%)
 Do not have health insurance 63 (11.9%)
 Other 59 (11.2%)
 Medicaid 41 (7.8%)
Parent of a child 333 (62.6%)
Relationship to child that the respondent thought about for scenarios
 Son/daughter 187 (35.8%)
 Grandchild 125 (23.9%)
 Niece/nephew 127 (24.3%)
 Other 84 (16.1%)
Difficulty with questions
 Discrete choice experiment questions were hard to answer 146 (27.0%)
 Time trade-off questions were hard to answera 131 (49.2%)
 Willingness-to-pay questions were hard to answerb 94 (34.2%)
a

N = 266 because only half the sample were randomized to TTO.

b

N = 275 because only half the sample were randomized to WTP.